GPTZero
GPTZero is seeking a software engineer to build and operate a research engine that uncovers AI‑generated content and hallucinations across the web. The role involves creating scalable data pipelines, search and crawling tools, and visualizations to turn findings into compelling investigative reports.
GPTZero is the world's #1 AI content detection platform with over 17 million users, helping educators, students, recruiters, publishers, and content creators identify text generated by AI models such as ChatGPT, GPT-5, Gemini, Claude, and Llama. Founded in January 2023, it offers tools including an AI detector, hallucination detector, plagiarism checker, writing verification, and an AI writing tutor, all boasting a 99% accuracy rate. GPTZero integrates with platforms like Google Docs, Canvas, and Google Classroom to promote academic integrity and responsible AI usage.
Meet GPTZero: HackerNoon Company of the Week
Jan 14, 2026
GPTZero’s founders, still in their 20s, have a profitable AI detection startup, millions in the bank and a new $10M Series A
Jun 13, 2024
New GPTZero feature checks sources for AI content to repel ‘second-hand hallucinations’
Jan 6, 2025
Founder of GPTZero Shifts Focus From Catching A.I. Cheaters to Helping Students Write
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for GPTZero.
GPTZero didn’t post a salary, so this is our estimate from similar listings.
23% below the average for this role
Aug 14, 2025